It is possible to combine the results of several small studies to produce evidence that is stronger than that available from each study alone—a statistical method known as meta-analysis. One of four such analyses, conducted in 2006, looked at 19 studies on a total of 1,084 patients.[23] It concluded that a third achieved an excellent reduction in seizure frequency and half the patients achieved a good reduction.[18]
Thermal Effect of Activity, also known as Activity Level, determines additional energy expenditure due to moving around and exercising. According to Lyle McDonald, broadly speaking, there are 5 categories / activity levels. We readjusted the multipliers from Lyle McDonald's book to better reflect different activity levels that work for most people.